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Home › Porsche › 1985 › 928 Automatic › Repair and Diagnosis › Engine Performance › Ignition System - BOSCH EZF › Testing › Ignition System Tests › Poor Engine Performance

Poor Engine Performance

  1. Perform GROUND POINTS & CONNECTOR/TERMINAL TEST  and SPEED/REFERENCE MARK SENSOR TEST  .
  2. Perform LOAD SENSOR TEST , TEMPERATURE SENSOR I TEST , and THROTTLE SWITCH - IDLE CONTACT TEST  .
  3. Perform THROTTLE SWITCH - FULL THROTTLE TEST , EZF IGNITION SYSTEM OUTPUT TESTS , and OCTANE LOOP TEST  .
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